Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8174313 | Apparatus and method for controlling power amplifier An apparatus for controlling a power amplifier configured to amplify radio frequency (RF) signal includes a detector and a controller. The detector is configured to detect a power level of the RF signal with respect to a predetermined power threshold and to generate... | 05/08/2012 |
| 8144545 | Acoustic navigation device and method of detecting movement of a navigation device A navigation device for navigating a user interface of a processor-controlled device includes an acoustic transmitter adapted to transmit an acoustic signal, an acoustic receiver adapted to receive the acoustic signal and located at a fixed position with respect to ... | 03/27/2012 |
| 8143105 | Semiconductor seal ring and method of manufacture thereof An improved semiconductor seal ring and method therefore is described. The seal ring comprises a thick layer wherein at least a portion of the thick layer is removed from a singulation street prior to singulation, thereby avoiding damage to the thick layer during th... | 03/27/2012 |
| 8143082 | Wafer bonding of micro-electro mechanical systems to active circuitry A single integrated wafer package includes a micro electromechanical system (MEMS) wafer, an active device wafer, and a seal ring. The MEMS wafer has a first surface and includes at least one MEMS component on its first surface. The active device wafer has a first s... | 03/27/2012 |
| 8138025 | Microcap wafer bonding method and apparatus A method of fabricating an apparatus including a sealed cavity and an apparatus embodying the method are disclosed. To fabricate the apparatus, a device chip including a substrate and at least one circuit element on the substrate is fabricated. Also, a cap is fabric... | 03/20/2012 |
| 8131248 | Mixer with local oscillator feed-forward and method of mixing signals with local oscillator feed-forward A feed-forward device is provided for a mixer including a diplexer having a radio frequency port, an intermediate frequency port, and a common port; and a mixing circuit receiving an in-phase local oscillator signal and an out-of-phase local oscillator signal and ha... | 03/06/2012 |
| 8102044 | Bonded wafer structure and method of fabrication A method of packaging electronics comprises providing a first wafer and providing a second wafer. The method also comprises depositing a polymer material over a surface of the first wafer; and selectively removing a portion of the polymer from the first wafer to cre... | 01/24/2012 |
| 8091190 | Method of manufacturing an acoustic mirror for a piezoelectric resonator A mirror for a piezoelectric resonator consisting of alternately arranged layers of high and low acoustic impedance is manufactured by at first producing a first layer on which a second layer is produced, so that the second layer partially covers the first layer. Th... | 01/10/2012 |
| 8067824 | Integrated circuit module package and assembly method thereof An integrated circuit module package includes a lead frame having a recessed area. A semiconductor die containing active electrical components is attached to the recessed area of the lead frame. An integrated passive device containing passive electrical components i... | 11/29/2011 |
| 8063717 | Duplexer having resonator filters A duplexer interfacing a receiver and a transmitter with an antenna includes first and second filters. The first filter includes at least four first series resonators, four first shunt resonators respectively connected between the four first series resonators and gr... | 11/22/2011 |
| 8058933 | Low frequency clock generation A first and a second resonator are fabricated monolithically adjacent to one another. The first resonator is the reference resonator. The resonant frequency of the second resonator is offset by a difference frequency Fo from the first resonator. Each resonator is in... | 11/15/2011 |
| 8040020 | Encapsulated active transducer and method of fabricating the same A micro-electromechanical systems (MEMS) ultrasonic transducer device includes a substrate defining an opening and an active transducer having multiple of active layers stacked over the opening of the substrate. The active transducer is completely encapsulated by mu... | 10/18/2011 |
| 8020573 | Microfluidic channels and reservoirs in portable electronic devices A microfluidic case and an electronic device including a microfluidic case are described. ... | 09/20/2011 |
| 8018303 | Bulk acoustic wave device An apparatus includes a stacked crystal filter and a bulk acoustic wave resonator, which are acoustically coupled. ... | 09/13/2011 |
| 7977850 | Bulk acoustic wave device with a semiconductor layer A bulk acoustic wave device includes a first electrode, a second electrode, a piezoelectric layer arranged between the first and second electrodes and a semiconductor layer arranged between the first and second electrodes. The semiconductor layer is electrically iso... | 07/12/2011 |
| 7977799 | Planar packageless semiconductor structure with via and coplanar contacts A semiconductor device includes a substrate having a first side and a second side and an epitaxial layer disposed over the second side. The device also includes a conductive via extending through the epitaxial layer to the second side and comprising a conductive con... | 07/12/2011 |
| 7947545 | Method for producing a transistor gate with sub-photolithographic dimensions A method of fabricating a semiconductor device, the method comprises forming a mask layer over a compound semiconductor substrate; and patterning a photoresist over the mask layer. The method comprises etching a portion of the mask layer beneath the photoresist; for... | 05/24/2011 |
| 7944291 | Power amplifier having parallel amplification stages and associated impedance matching networks An amplification device includes a series combination of a driver stage, an output terminal matching network, and a secondary amplification stage. The driver stage includes a driver amplifier and an output matching network. The secondary amplification stage includes... | 05/17/2011 |
| 7898325 | Amplifier with bypass switch An amplifying circuit of a receiver for receiving a signal in a wireless network includes an amplifier and a switch. The amplifier includes an amplifying transistor having a gate connected to an input for receiving the signal and a source/drain connected to a voltag... | 03/01/2011 |
| 7889024 | Single cavity acoustic resonators and electrical filters comprising single cavity acoustic resonators A single cavity acoustic resonator comprises: a first electrode; a second electrode; a third electrode disposed between the first electrode and the second electrode. The single cavity acoustic resonator also comprises: a first piezoelectric layer disposed between th... | 02/15/2011 |
| 7888844 | Temperature control of micromachined transducers A micromachined structure, comprises a substrate and a cavity in the substrate. The micromachined structure comprises a membrane layer disposed over the substrate and spanning the cavity. ... | 02/15/2011 |
| 7876158 | High gain stacked cascade amplifier with current compensation to reduce gain compression A high gain stacked cascade amplifier includes a first amplifying element, a second amplifying element, a current mirror bias element, and a dynamic bias adjustment element. The first and second amplifying elements are coupled in series to form the high gain stacked... | 01/25/2011 |
| 7868522 | Adjusted frequency temperature coefficient resonator A temperature compensated pair of resonators. The temperature compensated pair of resonators comprises a first resonator configured to resonate at a first frequency and having a first frequency temperature coefficient and a second resonator configured to resonate at... | 01/11/2011 |
| 7855618 | Bulk acoustic resonator electrical impedance transformers An electrical impedance transformer comprises a first film bulk acoustic resonator (FBAR), having a first electrical impedance and a first resonance frequency. The electrical impedance transformer also comprises: a second FBAR, having a second electrical impedance a... | 12/21/2010 |
| 7855603 | Temperature compensated self-bias darlington pair amplifier A Darlington pair amplifier includes a temperature compensation device. In one case, the device is a resistor connected in series between: (a) an intermediate node of two bias resistors for the Darlington pair, and (b) the control terminal of the Darlington pair. In... | 12/21/2010 |
| 7834720 | Bulk acoustic wave filter device and a method for trimming a bulk acoustic wave filter device A bulk acoustic wave (BAW) filter device includes at least one first serial BAW resonator, at least one first shunt BAW resonator, at least one second serial BAW resonator or at least one second shunt BAW resonator. The resonance frequencies of the first and the sec... | 11/16/2010 |
| 7826310 | Acoustic navigation device and method of detecting movement of a navigation device A navigation device for navigating a user interface of a processor-controlled device includes an acoustic transmitter adapted to transmit an acoustic signal, an acoustic receiver adapted to receive the acoustic signal and located at a fixed position with respect to ... | 11/02/2010 |
| 7825749 | Integrated coupled resonator filter and bulk acoustic wave devices A method for manufacturing a filter device is provided. The filter device comprises a coupled resonator at a first site, a shunt resonator at a second site and a series resonator at a third site, the coupled resonator comprising a first and a second resonator. The m... | 11/02/2010 |
| 7825747 | Thin-film BAW filter, and a method for production of a thin-film BAW filter A thin-film BAW filter has at least one CRF section and at least one ladder or grating filter section, with the CRF section having at least two coupled resonators, with the CRF section and the ladder or grating filter section being integrated on a common substrate, ... | 11/02/2010 |
| 7802349 | Manufacturing process for thin film bulk acoustic resonator (FBAR) filters Method for fabricating an acoustical resonator on a substrate having a top surface. First, a depression in said top surface is generated. Next, the depression is filled with a sacrificial material. The filled depression has an upper surface level with said top surfa... | 09/28/2010 |
| 7800457 | Self-calibrating temperature-compensated oscillator A self-calibrating temperature compensated oscillator includes a monolithic structure having a first resonator, a second resonator, and a heating element to heat the first and second resonators. The temperature coefficient of the second resonator is substantially gr... | 09/21/2010 |
| 7796957 | Impedance transformation in a duplexer using a transmission line A duplexer having a filter and a transmission line that transforms an impedance of the filter to an impedance of an antenna. ... | 09/14/2010 |
| 7795997 | Apparatus and method for measuring an environmental condition A sensor senses an environmental condition. The sensor includes a film bulk acoustic resonator that includes a layer of material that causes resonant frequency and/or quality factor shifts of the film bulk acoustic resonator in response to changes in the environment... | 09/14/2010 |
| 7795954 | Device for providing substantially constant current in response to varying voltage A device for providing a substantially constant current includes first and second current mirrors. The first current mirror receives a first amount of a first bias current and provides an output current based on the first amount of the first bias current, the first ... | 09/14/2010 |
| 7795781 | Bulk acoustic wave resonator with reduced energy loss According to an exemplary embodiment, a bulk acoustic wave (BAW) resonator includes a piezoelectric layer having a disrupted texture region, where the disrupted texture region is situated in a controlled thickness region of the BAW resonator. The BAW resonator furth... | 09/14/2010 |
| 7791435 | Single stack coupled resonators having differential output A coupled acoustic resonator adapted for single-ended input to differential output signal transformation, comprises a single stack. The single stack comprises: a first film bulk acoustic resonator (FBAR) comprising a single-ended input; a second FBAR disposed over t... | 09/07/2010 |
| 7791434 | Acoustic resonator performance enhancement using selective metal etch and having a trench in the piezoelectric An acoustic resonator that includes a substrate, a first electrode, a layer of piezoelectric material, and a second electrode. The substrate has a first surface and the first electrode is adjacent the first surface of the substrate. The layer of piezoelectric materi... | 09/07/2010 |
| 7786826 | Apparatus with acoustically coupled BAW resonators and a method for matching impedances An apparatus includes a first bulk acoustic wave (BAW) device including a first impedance and a second BAW device including a second impedance, wherein the first and second impedances are different and the first and second BAW devices are acoustically coupled. ... | 08/31/2010 |
| 7786825 | Bulk acoustic wave device with coupled resonators A bulk acoustic wave device includes first and second resonators, which are acoustically coupled and electrically connected in parallel. ... | 08/31/2010 |
| 7786822 | Four-state digital attenuator having two-bit control interface A four-state digital attenuator for an RF signal includes a first external terminal adapted to receive a first control voltage; a second external terminal adapted to receive a second control voltage, and a third external terminal connected to a fixed supply voltage.... | 08/31/2010 |
